Adding quotation marks to .oda files for h2 tests, since the source sql
is otherwise invalid h2
Added more quotation marks to h2 .obda files (Since otherwise the source
sql is wrong) 

Added a second call to mapping parser and metadata extraction after the
metamapping and preprocessProjection in Quest:setupRepository
Added quotation marks to the h2 creation scripts and queries in another
test
Removed unnecessary duplicate metadata extraction